7 Matching Results
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7
Collapsible Ventilated Crate
Patent for a collapsible vented crate for that does not require special machinery to build.
Date:
June 11, 1912
Creator:
Williams, Lewie A.
System:
The Portal to Texas History
Airship
Patent for an airship that is equipped with gas bags to control the ascent and descent of the airship and make it float in case of landing in the water.
Date:
June 11, 1912
Creator:
Bradshaw, John F. W.
System:
The Portal to Texas History
Corn and Cotton Planter
Patent for a corn and cotton planter that can plant two rows at a time.
Date:
June 11, 1912
Creator:
Hooper, Martin T.
System:
The Portal to Texas History
Valve-Controlling Mechanism for Train-Air-Brake Systems
Patent for a valve controlling mechanism for train air brake systems that can be used when a car derails.
Date:
June 11, 1912
Creator:
Strader, Perry T.
System:
The Portal to Texas History
Shock Absorber.
Patent for shock absorbers the permit bodily movement on one of the parts to which these devices are usually connected in a vehicle.
Date:
June 11, 1912
Creator:
Rife, Stanford Walton
System:
The Portal to Texas History
Plowshare Attachment.
Patent for a plowshare attachment, which will allow a new replacement part when this part is no longer in working condition.
Date:
June 11, 1912
Creator:
Hickle, Pryor H.
System:
The Portal to Texas History
Double-Acting Pump-Jack
Patent for a double acting pump jack for artesian wells.
Date:
June 11, 1912
Creator:
Pittman, William T.
System:
The Portal to Texas History